Double deck 6-lane concrete viaduct and vehicular subway speeds Seattle's commuter traffic through business district; total length of structure is 2.43 mi; contamination of air in tunnel is monitored by controls which automatically operate fans; design provides 265 cfm of air per lin ft of subway, thereby changing air every two min. (See also Civ Eng (NY) v 22 n 12 Dec 1952 p 49-53)


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    Title :

    Tunnel and viaduct to ease Seattle's traffic troubles


    Additional title:

    Eng J


    Contributors:
    Finke, R.W. (author)

    Published in:

    Publication date :

    1953


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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